It indicates a possible exploit of a unauthorized Command Execution vulnerability in Ikonboard.
Ikondboard contains an error that a malicious attacker can exploit to execute remote commands due to a lack of input validation on data provided by the user.
Ikonboard.com ikonboard 3.1.2a and Ikonboard.com ikonboard 3.1.1
Compromise of the affected system.
Apply appropriate patch from the vendor or Upgrade to non-vulnerable version if available.